Introduce worker_devtools_agent_route_id for EmbeddedWorker.

content/browser/service_worker/service_worker_dispatcher_host.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 
+#include "base/callback.h"
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "content/browser/service_worker/service_worker_registration_status.h"
 #include "content/public/browser/browser_message_filter.h"
 
 class GURL;
 struct EmbeddedWorkerHostMsg_ReportConsoleMessage_Params;
 
 namespace content {
 
 class MessagePortMessageFilter;
 class ServiceWorkerContextCore;
 class ServiceWorkerContextWrapper;
 class ServiceWorkerHandle;
 class ServiceWorkerProviderHost;
 class ServiceWorkerRegistration;
 
 class CONTENT_EXPORT ServiceWorkerDispatcherHost : public BrowserMessageFilter {
  public:
   ServiceWorkerDispatcherHost(
       int render_process_id,
       MessagePortMessageFilter* message_port_message_filter);
 
-  void Init(ServiceWorkerContextWrapper* context_wrapper);
+  void Init(ServiceWorkerContextWrapper* context_wrapper,
+            const base::Callback<int(void)>& next_routing_id_callback);

[kinuko, 2014/04/25 13:56:57]

The new parameter needs a descriptive comment.

[michaeln, 2014/04/25 19:29:50]

descriptive name would be even better

 
   // BrowserIOMessageFilter implementation
   virtual void OnDestruct() const OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
 
   void RegisterServiceWorkerHandle(scoped_ptr<ServiceWorkerHandle> handle);
 
  protected:
   virtual ~ServiceWorkerDispatcherHost();
@@ skipping 54 matching lines @@
   base::WeakPtr<ServiceWorkerContextCore> context_;
 
   IDMap<ServiceWorkerHandle, IDMapOwnPointer> handles_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_